Vintage 1980s NOS Reference Diode National Semiconductor LM103 H-3.6 gold Pin Transistor 2 pieces

 NOS Vintage 2 pieces
National Semiconductor LM103 H-3.6 gold Pin Transistor (135 and 103)

Reference Diode

Mil spec

From data sheet:

General Description

The LM103 is a two-terminal monolithic reference diode electrically equivalent to a breakdown diode. The device makes use of the reverse punch-through of double-diffused transistors, combined with active circuitry, to produce a breakdown characteristic which is ten times sharper than single-junction zener diodes at low voltages. Breakdown voltages from 3.0V to 3.9V are available; and, although the

design is optimized for operation between 100 pA and 1 mA, it is completely specified from 10 pA to 10 mA.

Features

Exceptionally sharp breakdown

Low dynamic impedance from 10 uA to 10 mA

Performance guaranteed over full military temperature

range

Planar, passivated junctions for stable operation

Low capacitance.

The LM103, packaged in a hermetically sealed, modified TO-46 header is useful in a wide range of circuit applications from level shifting to simple voltage regulation. It can also be employed with operational amplifiers in producing break- points to generate nonlinear transfer functions. Finally, its unique characteristics recommend it as a reference element in low voltage power supplies with input voltages down to 4V